#BC4740
Closest named color: Dull Red (#BB3F3F). oklch(55.6% 0.152 26.6), rgb(188, 71, 64).
Aa
White text reads best on this color (5.10:1).
About this color
#BC4740 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.152 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.015 away. White text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #BC4740 |
| RGB | rgb(188, 71, 64) |
| HSL | hsl(3, 49%, 49%) |
| OKLCH | oklch(55.6% 0.152 26.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #BC4740 | 5.10:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #BC4740 | 4.11:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #BC4740 text on white | 5.10:1 | AA | Lc 74.4 | Content text, not long reading |
| #BC4740 text on black | 4.11:1 | AA large text | Lc -27.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F2D0CC
oklch(88.5% 0.039 25.8)
-
Step 300
300
#EAB0A9
oklch(80.9% 0.069 26.5)
-
Step 400
400
#DD857C
oklch(70.8% 0.11 26.4)
-
Step 500
500
#D1635A
oklch(63.1% 0.141 26.6)
-
Step 600
600 (this color)
#BC4740
oklch(55.6% 0.152 26.6)
-
Step 700
700
#A23832
oklch(49.2% 0.142 26.8)
-
Step 800
800
#832F2A
oklch(42.6% 0.117 26.6)
-
Step 900
900
#6A2B26
oklch(37.7% 0.092 26.9)
-
Step 950
950
#3E1A17
oklch(27% 0.057 26.4)
#BC4740 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #665E3F | 0.161 |
| Deuteranopia (no green cones) | #83773D | 0.148 |
| Tritanopia (no blue cones) | #CE2E46 | 0.049 |
| Achromatopsia (no color) | #6E6E6E | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC4740
#BC4740
oklch(55.6% 0.152 26.6)
- #00838F
#00838F
oklch(55.7% 0.095 206.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BC4740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.015
- Dusty Red #B9484E ΔE 0.018
- Dark Rose #B5485D ΔE 0.041
- Sinopia #BB3E03 ΔE 0.043
- Brick Orange #C14A09 ΔE 0.045
- Dark Coral #CF524E ΔE 0.047
- Faded Red #D3494E ΔE 0.049
- Burnt Orange #C04E01 ΔE 0.052
Use #BC4740 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.